rtcomav.com - dns.ninja
rtcomav.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 222.231.2.42🇰🇷 DACOM-NET222.231.0.0/18 contact noc@bora.net if necessary | ||||||
| PTR | b42.nskorea.com | ||||||
| NS | ns2.nskorea.com ⭐ | ||||||
| A | 222.231.49.253🇰🇷 DACOM-NET222.231.0.0/18 contact noc@bora.net if necessary | ||||||
| NS | ns.nskorea.com | ||||||
| A | 222.231.2.253🇰🇷 DACOM-NET222.231.0.0/18 contact noc@bora.net if necessary | ||||||
| PTR | ns.nskorea.com | ||||||
| NS | ns3.nskorea.com | ||||||
| A | 222.231.3.253🇰🇷 DACOM-NET222.231.0.0/18 contact noc@bora.net if necessary | ||||||
| PTR | ns2.nskorea.com | ||||||
| MX | mailapp.hiworks.co.kr ⭐ | ||||||
| A | 45.120.71.59🇰🇷 DACOM-NET45.120.71.0/24 | ||||||
| PTR | mailapp.hiworks.co.kr | ||||||
| A | 121.254.168.55🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| PTR | mailapp.hiworks.co.kr | ||||||
| A | 211.47.76.59🇰🇷 DACOM-NET211.47.76.0/24 proxy for HANARO TELECOM route | ||||||
| PTR | mailapp.hiworks.co.kr | ||||||
| TXT | v=spf1 include:_spf.hiworks.co.kr ~all | ||||||
| SOA | ns.nskorea.comserver@jungbo.net serial=2022000000 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1783762647 | ||||||
Previously NS for
rtcomav.com |
Previously MX for
rtcomav.com |
Same first word
rtcomav.com |
Similar names
DNS History
10 records (5 active, 5 former)
●NSns.nskorea.com2026-03-16 → 2026-07-11 · 3 obs
● 2026-03-16 12:22:04
● 2026-07-11 09:46:46
○NSns1.hostingcenter.co.kr2015-05-26 → 2017-01-09 · 4 obs
● 2017-01-09 08:32:26
○ 2026-03-16 12:22:04
○ 2026-07-11 09:46:46
○NSns2.dacom.co.kr2015-05-26 → 2017-01-09 · 4 obs
● 2017-01-09 08:32:26
○ 2026-03-16 12:22:04
○ 2026-07-11 09:46:46
●NSns2.nskorea.com2026-03-16 → 2026-07-11 · 3 obs
● 2026-03-16 12:22:04
● 2026-07-11 09:46:46
●NSns3.nskorea.com2026-03-16 → 2026-07-11 · 3 obs
● 2026-03-16 12:22:04
● 2026-07-11 09:46:46
○NSrtcomav.com2015-05-26 → 2017-01-09 · 4 obs
● 2017-01-09 08:32:26
○ 2026-03-16 12:22:04
○ 2026-07-11 09:46:46
●MXmailapp.hiworks.co.kr2026-03-16 → 2026-07-11 · 3 obs
● 2026-03-16 12:22:04
● 2026-07-11 09:46:46
○MXrtcomav.com2015-05-26 → 2017-01-09 · 4 obs
● 2017-01-09 08:32:26
○ 2026-03-16 12:22:04
○ 2026-07-11 09:46:46
○A121.78.144.1662015-05-26 → 2017-01-09 · 4 obs
● 2017-01-09 08:32:26
○ 2026-03-16 12:22:04
○ 2026-07-11 09:46:46
●A222.231.2.422026-03-16 → 2026-07-11 · 3 obs
● 2026-03-16 12:22:04
● 2026-07-11 09:46:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net... | - |
| rtcomav.com | ns.nskorea.com, ns2.nskorea.com, ns3.nskorea.com | 3 records |
✅ Authoritative Response
Server:222.231.49.253
NS records: ns.nskorea.com, ns2.nskorea.com, ns3.nskorea.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtcomav.com (unsigned zone)
⏱️ Timing
Total: 514ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 222.231.2.42 |
| NS | 3 | ns2.nskorea.com, ns3.nskorea.com... |
| MX | 1 | mailapp.hiworks.co.kr (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.hiworks.co.kr ~all |
| SOA | 1 | ns.nskorea.com server.jungbo.net |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns.nskorea.com, ns2.nskorea.com, ns3.nskorea.com)
Analysis
IP Addresses
rtcomav.com has exactly one IP address — 222.231.2.42.
cerabiz.com, dhprime.com, neomagnetic.com plus two other host names have IP numbers in common with rtcomav.com.
Name Servers
rtcomav.com is delegated to three name servers: ns2.nskorea.com, ns3.nskorea.com and ns.nskorea.com.
At least some of rtcomav.com's name servers are shared with other domains, for example sokok.com, eapkorea.org, kinco.kr and two more.
ns2.nskorea.com, ns3.nskorea.com and ns.nskorea.com each resolve to a single IP address: ns2.nskorea.com resolves to 222.231.49.253, ns3.nskorea.com resolves to 222.231.3.253 and ns.nskorea.com resolves to 222.231.2.253.
Mail Servers
rtcomav.com uses one mail server — mailapp.hiworks.co.kr.
The mail server setup of rtcomav.com matches that of other domains such as cha-cha.kr, tnutech.com, gsteel.co.kr and two others.
mailapp.hiworks.co.kr points to three IP addresses: 45.120.71.59, 121.254.168.55 and 211.47.76.59.